Await JoinableTaskFactory.SwitchToMainThreadAsync() to switch to the UI thread instead of APIs that can deadlock or require specifying a priority (https://microsoft.github.io/vs-threading/analyzers/VSTHRD001.html)

Cancel synchronously blocks. Await CancelAsync instead. (https://microsoft.github.io/vs-threading/analyzers/VSTHRD103.html)

'WebClient.WebClient()' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)

The variable 'e' is declared but never used

'ServicePointManager' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead. Settings on ServicePointManager no longer affect SslStream or HttpClient.' (https://aka.ms/dotnet-warnings/SYSLIB0014)

'ServicePointManager' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead. Settings on ServicePointManager no longer affect SslStream or HttpClient.' (https://aka.ms/dotnet-warnings/SYSLIB0014)

The 'ref' modifier for argument 2 corresponding to 'in' parameter is equivalent to 'in'. Consider using 'in' instead.

The 'ref' modifier for argument 2 corresponding to 'in' parameter is equivalent to 'in'. Consider using 'in' instead.

The 'ref' modifier for argument 2 corresponding to 'in' parameter is equivalent to 'in'. Consider using 'in' instead.